PlainFlights

Route · IAH → VPS · 2020–2025 BTS data

Houston to Valparaiso

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to VPS (Houston to Valparaiso) ranks #4575 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.2%
On-time
+7.2 pts
vs US avg
77 min
Delay when late
912
Flights
#4575 of 4927
Corpus placement

Cancelled

4.5%

Best Month

Mar 2020 98%

Worst Month

Jul 2021 66%

Distance

528 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Oct 2021 31 5 2 0 OO,YV
Aug 2021 62 19 6 0 YV
Jul 2021 93 32 1 0 YV
Jun 2021 64 22 2 0 YV
May 2021 81 18 1 0 YV
Apr 2021 56 3 0 0 YV
Mar 2021 42 6 0 0 YV
Nov 2020 54 1 2 0 YV
Oct 2020 67 3 0 0 YV
Sep 2020 59 1 6 0 YV,EV,OO
Aug 2020 62 2 4 0 EV,YV
Jul 2020 34 5 0 0 EV,YV
Apr 2020 37 1 4 0 EV
Mar 2020 65 1 12 0 EV
Feb 2020 51 5 1 0 EV
Jan 2020 54 2 0 1 EV

IAH–VPS seasonal on-time pattern

Best: September (98.3%) · weakest: June (65.6%)

60%70%80%90%100% JanFebMarAprMayJunJulAugSepOctNov 98.1%

Strongest calendar month

September

98.3% on-time · ~59 flights/mo

Busiest calendar month

May

~81 flights/mo avg

Weakest calendar month

June

65.6% on-time · ~64 flights/mo

Cancellation Rate

4.5%

41 of 912 flights

Diversion Rate

0.1%

1 of 912 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

IAH - Houston

Full on-time, delay-cause, and seasonal performance for Houston, TX.

IAH on-time profile

VPS - Valparaiso

Full on-time, delay-cause, and seasonal performance for Valparaiso, FL.

VPS on-time profile

Compare the two airports

See IAH and VPS side by side on delays, cancellations, and reliability.

Compare IAH vs VPS

Origin-hub reliability standing

Among IAH's stronger departures

IAH → VPS posts a 86.2% on-time rate, landing in the ≥85% band with 17 of 102 BTS-tracked routes leaving Houston. The same hub also shows 79 mid-band and 6 challenged departures · fleet-wide on-time rank #844 of 4927 (highest on-time = #1).

What the Data Says About IAH to VPS

Houston to Valparaiso (IAH to VPS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.2% on-time rate across 912 flights, with delays that do happen averaging 76.6 minutes. The corridor runs roughly 528 miles and is served by 5 carriers. Over the most recent 24 months, 41 of 912 flights were cancelled (4.5%) and 1 diverted (0.1%).

The monthly split is wide on this route: Mar 2020 posted the strongest performance at 98% on-time, while Jul 2021 came in at just 66% - a 33-point swing worth factoring into travel timing.

On the multi-year calendar, IAH–VPS peaks in September at 98.3% on-time while May carries the heaviest traffic (~81 flights per month) ; the softest month is June at 65.6%, a 32.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAH to VPS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IAH to VPS ranks #4575 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from IAH to VPS? ▼
Flights from Houston to Valparaiso have a 86.2% on-time rate based on 912 flights. The average delay is 76.6 minutes. The best recent month was Mar 2020 with 98% on-time.
What is the cancellation rate for IAH to VPS? ▼
Over the last 24 months, 4.5% of flights on this route were cancelled (41 of 912 flights) and 0.1% were diverted.
How far is the flight from IAH to VPS? ▼
The flight distance from Houston (IAH) to Valparaiso (VPS) is approximately 528 miles. This route is served by 5 carriers.
When is the best time to fly from IAH to VPS? ▼
The best recent month for on-time performance was Mar 2020 (98% on-time). The worst was Jul 2021 (66% on-time). Consider booking during months with historically better performance.

Airports on this route

IAH Airport

Houston
VPS Airport

Valparaiso
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using IAH–VPS data

IAH–VPS runs 7.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare IAH and VPS airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
  • If your dates flex, September (98.3% on-time) beats June (65.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.